private async void ListView_MouseDoubleClick(object sender, MouseButtonEventArgs e)
{
IStoredImage item = ((FrameworkElement)e.OriginalSource).DataContext as IStoredImage;
if (item != null)
{
await this.ViewModel.LabelPreviewAsync(item);
}
}
public Task LabelPreviewAsync(IStoredImage item = null)
{
if (this.SelectedLabel != null)
{
Process.Start(new ProcessStartInfo(item == null ? this.SelectedLabel.FullPath : item.FullPath)
{
UseShellExecute = true
});
}
return(Task.CompletedTask);
}
protected async Task DeleteLabelAsync()
{
try
{
if (this.SelectedLabel != null)
{
int currentIndex = this.Labels.IndexOf(this.SelectedLabel);
if (await this.ImageCacheRepository.DeleteImageAsync(this.ImagePath, Path.GetFileName(this.SelectedLabel.FullPath)))
{
this.Labels.Remove(this.SelectedLabel);
if (this.Labels.Any())
{
IStoredImage label = this.Labels.ElementAt(currentIndex >= this.Labels.Count() ? currentIndex - 1 : currentIndex);
if (label != null)
{
this.SelectedLabel = label;
}
else
{
this.SelectedLabel = this.Labels.Last();
}
}
else
{
this.SelectedLabel = null;
}
}
}
}
catch (Exception ex)
{
this.StatusText = $"Error: {ex.Message}";
}
finally
{
this.RefreshCommands();
}
}
public async Task StartSessionAsync(TcpClient client, ILabelConfiguration labelConfiguration, string imagePathRoot)
{
//
// Set parameters.
//
client.ReceiveTimeout = 1000;
client.SendTimeout = 1000;
client.LingerState = new LingerOption(false, 0);
client.NoDelay = true;
client.ReceiveBufferSize = 8192;
client.SendBufferSize = 8192;
//
// Get the network stream.
//
NetworkStream stream = client.GetStream();
while (client.Connected && stream.CanRead)
{
if (stream.DataAvailable)
{
try
{
//
// Create a buffer for the data that is available.
//
byte[] buffer = new byte[client.Available];
//
// Read the data into the buffer.
//
int bytesRead = await stream.ReadAsync(buffer.AsMemory(0, buffer.Length));
if (bytesRead > 0)
{
//
// Get the label image
//
string zpl = Encoding.UTF8.GetString(buffer);
if (zpl != "NOP")
{
IGetLabelResponse response = await this.LabelService.GetLabelAsync(labelConfiguration, zpl);
//
// Save the image.
//
IStoredImage storedImage = await this.ImageCacheRepository.StoreImageAsync(imagePathRoot, response.Label);
//
// Publish the new label.
//
this.EventAggregator.GetEvent <LabelCreatedEvent>().Publish(new LabelCreatedEventArgs()
{
PrintRequest = new PrintRequestEventArgs()
{
LabelConfiguration = labelConfiguration,
Zpl = zpl
},
Label = storedImage,
Result = response.Result,
Message = response.Result ? "Label successfully created." : response.Error
});
}
}
}
finally
{
client.Close();
}
}
}
}
